Science is a methodical analysis of the manners and nature of an object and the natural universe founded around laws being measured, experimented, observed and formulated. The three main subjects of science are Physics, Chemistry and Biology.
Chemistry is a branch of science that deals with the study of matter and the substances that compose it. It also deals with the properties of these substances and the reactions undergone by them to form new substances. Chemistry concepts mainly include atoms, ions, molecules, reactions and structure of the compound. The answer to chemistry questions must comprise atoms, structure, properties and reactions. The answer must be written in a flow that consists of related molecules, its physical and chemical properties, reactions with certain elements, reactions and then its applications. If necessary the diagrams related to the structure of compounds can be drawn. These points when included in the answer gives a complete idea of the concept and hence completes the answer.
Physics is a branch of science that deals with the study of how matter and energy interact with each other and how they affect each other over time and through space. Physics concepts include diagrams, formulas, equations, derivations, graphs, numerical and examples. While answering physics questions one has to make a note that the introduction for that answer is given and then the main body of the answer is explained. The flow of the answer must be like definition, explanation of the main question asked with diagram and equations if necessary and must end with appropriate examples. The numerical answer must comprise the given parameters, formula, equation with solution and then the final answer with the standard units. The answer looks complete and well presented if these steps are followed.
Biology is the branch of science that deals with the study of living organisms, their origins, anatomy, morphology, physiology, behaviour, and distribution. Biology is the subject that mainly focuses on scientific names, classification, various parts of organisms, locomotion and diagrams. The answers to questions in biology must include its definition, to specific part or class where it belongs, explanation of various parts with specified diagram and its usefulness to the body of the organism or environment and must end with examples. The subject has a wide range of examples for every concept with related structural diagrams. When the answer comprises these points then it seems to be a well-structured answer.
Stepwise marks allocation
The answers the student writes in an examination is allocated stepwise. For instance, a long answer type question has been structured in a manner where each step like definition, diagram, equation, graph and example. The marks will be equally divided for these parameters. Just writing a lengthy answer for pages together will not gain full marks. Well structured and designed answers helps in scoring well. Presentation of these answers matter a lot to the examiner.
Students on practising and writing answers various number of questions from different books and sample papers gain the knowledge of writing the well-defined answers. Solving more and more numbers of questions from their prescribed syllabus and academic curriculum helps them to score higher marks just by learning how to present the answer. Presentation of answers leaves the impression on the examiner and the main keywords for the answer aid in scoring good grades.